Fatal error: Uncaught Error: Interface 'JMS\Serializer\Exception\Exception' not found in /home/ffl2020/public_html/vendor/jms/serializer/src/Exception/InvalidArgumentException.php:12 Stack trace: #0 {main} thrown in /home/ffl2020/public_html/vendor/jms/serializer/src/Exception/InvalidArgumentException.php on line 12